Div

class	api-page

fluid.expect(name, members, target)

Section

Column

width	70%

Checks an object for a list of members.

Code Block

fluid.expect(name, members, target);

File name: RendererUtilities.js

Parameters

Span

class	borderless-table

`name`	(String) A name for the component, to be used in any error message
`members`	(Arrayable) A list of member names
`target`	(Object) The object to examine

Span

class	borderless-table

None

Throws an error if one of the listed members is not found in target.

Column

width	5%

Column

Code Block

	javascript
	javascript

var obj = {
    a: foo,
    b: bar
};
fluid.expect("My Test Object", ["a", "b", "c"], obj);

In this example, fluid.expect() will throw an error, with the string "My Test Object missing required parameter c."